Home / 3,839.38-5,297.54-2,245.71

Finding the Fourth Proportional to 3,839.38, 5,297.54 and 2,245.71

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Solution

The fourth proportional to 3,839.38, 5,297.54 and 2,245.71 is: 3,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.38 : 5,297.54 = 2,245.71 : x
  2. Step 2: Convert to fraction form
    3,839.38/5,297.54 = 2,245.71/x
  3. Step 3: Cross multiply
    3,839.38x = 5,297.54 × 2,245.71
  4. Step 4: Simplify right side
    3,839.38x = 11,896,738.55
  5. Step 5: Solve for x
    x = 11,896,738.55/3,839.38
  6. Step 6: Final answer
    x = 3,098.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.